d
(d)\(5\) volt is low signal \((0)\) and \(10\) volt is high signal \((1)\) and taking \(5\) \(\mu-sec\) as \(1\) unit. In a negative logic, low signal \((0)\) gives high output \((1)\) and high signal \((1)\) gives low output \((0)\). The output is therefore \(1010010111.\)